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Schneider LADN203

Name: LADN203
Brand: Schneider
SKU: LADN203
Price: 25.5 GBP
Availability: OutOfStock

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Marvo Stock ID MV-305J

HS Code 85365080

SKU LADN203

Warranty 12 months

Weight (kg) 0.04

Length (mm) 42.00

Width (mm) 26.00

Height (mm) 48.00

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Specification & Description

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Commonly Asked Questions

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Specification & Description

Specification	Description
Part Number	LADN203
Manufacturer	Schneider Electric
Product Type	Auxiliary Contact Block
Range	TeSys D, TeSys D Control Relay
Device Short Name	LADN
Range Compatibility	TeSys D CAD, TeSys D LC1D, TeSys Deca CAD, TeSys Deca LC1D
Mounting Location	Front
Pole Contact Composition	2 Normally Open (NO) Contacts
Contacts Operation	Instantaneous
Rated Operational Voltage (Ue)	690 V AC 25...400 Hz
Rated Insulation Voltage (Ui)	690 V conforming to IEC 60947-5-1, 600 V conforming to UL, 600 V conforming to CSA
Conventional Free Air Thermal Current (Ith)	10 A (at 60 °C)
Rated Making Capacity (Irms)	140 A AC conforming to IEC 60947-5-1, 250 A DC conforming to IEC 60947-5-1
Permissible Short-Time Rating	100 A at 60 °C for 1 s, 120 A at 60 °C for 500 ms, 140 A at 60 °C for 100 ms
Protection Type	GG fuse 10 A
Mechanical Durability	30 Million cycles
Minimum Switching Current	5 mA
Minimum Switching Voltage	17 V
Non-Overlap Time	1.5 ms on de-energisation and energisation, no overlap between NC and NO contact
Insulation Resistance	> 10 MOhm
Environmental Characteristic	Normal environment
IP Degree of Protection	IP20 conforming to IEC 60529
Protective Treatment	TH conforming to IEC 60068
Ambient Air Temperature for Operation	-5…60 °C
Ambient Air Temperature for Storage	-60…80 °C
Operating Altitude	Up to 3000 m without derating in temperature
Sustainable Offer Status	Green Premium product
REACh Regulation	Free of Substances of Very High Concern (SVHC)
EU RoHS Directive	Compliant
China RoHS Regulation	China RoHS Declaration
Environmental Disclosure	Product Environmental Profile
WEEE	Must be disposed of according to specific waste collection in the European Union

The Schneider LADN203 is a meticulously engineered auxiliary contact block designed to complement the TeSys D range of contactors and control relays. This component is essential for users who require reliable and instantaneous switching operations within their electrical circuits. With a configuration of 2 normally open (NO) contacts, it offers a versatile solution for expanding control systems and enhancing circuit functionality.

Crafted for front mounting, the LADN203 ensures a seamless integration with existing setups, promoting ease of installation. The spring terminals accommodate cables up to 2.5 mm², both flexible and solid, without the need for cable ends, streamlining the connection process and maintenance.

Rated for an insulation voltage of 690 V in accordance with IEC 60947-5-1 standards, and operational voltages up to 690 V AC at frequencies between 25 and 400 Hz, this auxiliary contact block is suitable for a wide range of applications. It boasts a conventional free air thermal current of 10 A at 60°C and can handle making capacities of 140 A AC and 250 A DC, ensuring robust performance in demanding conditions.

The LADN203 is designed with safety and durability in mind, featuring an IP2x protection degree as per VDE 0106, and a TH protective treatment conforming to IEC 60068, ensuring it can withstand normal environmental conditions. With a mechanical durability of 30 million cycles, this component is built to last, providing a reliable solution for your control systems.

In line with Schneider Electric's commitment to sustainability, the LADN203 is a Green Premium product, compliant with the latest environmental standards, including REACh and EU RoHS directives. It is free of hazardous substances, such as toxic heavy metals and mercury, ensuring it not only meets but exceeds environmental and safety regulations.

The LADN203 is an indispensable component for those seeking to enhance the efficiency and reliability of their electrical control systems, with the assurance of quality and sustainability from Schneider Electric.

Commonly Asked Questions

Is my order covered by a warranty?

Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.

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Is Marvo a credible parts supplier?

Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.

Have steps been taken to ensure quality control?

Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.

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Learn more about Marvo

Our service to you

Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.

No-Risk Returns, Guaranteed: Return your parts anytime for a full refund. Our hassle-free return policy ensures you’re never stuck with something you don’t need.

Clear Pricing with No Hidden Fees: What you see is what you pay, transparent pricing with no extra costs, ever. Rest assured, all taxes and fees are already included in your final price.

Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.

Frequently Asked Questions

What is the function of this auxiliary contact block?

The auxiliary contact block is used to provide additional switching functions in a control circuit. It can be used for signalling, interlocking, and auxiliary circuits.

How can this contact block be mounted?

This contact block is designed for front mounting, which allows for easy installation directly onto compatible contactors and control relays.

What type of terminals does this contact block have?

The contact block is equipped with spring terminals, which are suitable for connecting both flexible and solid cables without the need for cable ends.

What is the rated operational voltage for this contact block?

The rated operational voltage for the LADN203 is 690 V AC at frequencies ranging from 25 to 400 Hz.

What are the environmental operating conditions for this contact block?

The contact block can operate in normal environmental conditions, with an ambient air temperature range for operation of -5 to 60°C and for storage from -60 to 80°C. It is also rated for use at altitudes up to 3000 meters without derating.

What is the IP degree of protection for this contact block?

The contact block has an IP20 degree of protection, conforming to IEC 60529, which provides protection against solid objects larger than 12mm but not against liquids.

Can this contact block be used with any contactor?

No, it is specifically designed to be compatible with TeSys D contactors and control relays, ensuring proper fit and function.

What is the thermal current rating for this contact block?

The conventional free air thermal current rating (Ith) for the contact block is 10 A at 60°C.

What certifications does this contact block hold?

The contact block is certified by international standards including UL, CSA, and it conforms to IEC and EN standards.

What is the mechanical durability of this contact block?

The mechanical durability of the contact block is rated at 30 million cycles, indicating its ability to withstand a high number of operations.

Part conditions explained

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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.

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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.

Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.

Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.

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